Home / 613,250.10-918,125.55-543,266.10

Finding the Fourth Proportional to 613,250.10, 918,125.55 and 543,266.10

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Solution

The fourth proportional to 613,250.10, 918,125.55 and 543,266.10 is: 813,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,250.10 : 918,125.55 = 543,266.10 : x
  2. Step 2: Convert to fraction form
    613,250.10/918,125.55 = 543,266.10/x
  3. Step 3: Cross multiply
    613,250.10x = 918,125.55 × 543,266.10
  4. Step 4: Simplify right side
    613,250.10x = 498,786,486,858.86
  5. Step 5: Solve for x
    x = 498,786,486,858.86/613,250.10
  6. Step 6: Final answer
    x = 813,349.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.